Build failed. https://zuul.opendev.org/t/openstack/buildset/5191a418007942de8640ef6b7d066f02 - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/33ad45e1325a470d9ff8785cbde3d712 : FAILURE in 3m 10s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/1dbc2ea549a64b6c9802c6c9df529904 : SUCCESS in 3m 27s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/ab5588fb64a449a5b4eb83bf3e3dfc40 : SUCCESS in 3m 06s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/a5bf757a3ada420fbb301cf7bc73baa4 : SUCCESS in 3m 27s